docs: def extract(filename_url_or_filelike):
      """A more precise algorithm over the original eatiht algorithm
      """
      pars_tnodes = get_parent_xpaths_and_textnodes(filename_url_or_filelike)
      #[iterable, cardinality, ttl across iterable, avg across iterable.])
      calc_across_paths_textnodes(pars_tnodes)
  
      avg, _, _ = calc_avgstrlen_pathstextnodes(pars_tnodes)
  
      filtered = [parpath_tnodes for parpath_tnodes in pars_tnodes
                  if parpath_tnodes[1][2] > avg]
  
      paths = [path for path, tnode in filtered]
  
      hist = get_xpath_frequencydistribution(paths)
      try:
          target_tnodes = [tnode for par, tnode in pars_tnodes if hist[0][0] in par]
  
          target_text = '\n\n'.join([' '.join(tnode[0]) for tnode in target_tnodes])
  
          return target_text
      except IndexError:
          return ""